CN114268130A - A distributed photovoltaic power generation system with dual-mode power supply - Google Patents
A distributed photovoltaic power generation system with dual-mode power supply Download PDFInfo
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- 238000010248 power generation Methods 0.000 title claims abstract description 65
- 230000000295 complement effect Effects 0.000 claims abstract description 24
- 238000005286 illumination Methods 0.000 claims abstract description 12
- 239000004568 cement Substances 0.000 claims description 16
- 230000009977 dual effect Effects 0.000 claims description 14
- 101100372019 Arabidopsis thaliana UPS5 gene Proteins 0.000 claims description 6
- 230000005622 photoelectricity Effects 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 3
- 239000010426 asphalt Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
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- 238000003466 welding Methods 0.000 claims 1
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- 230000005611 electricity Effects 0.000 description 3
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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Abstract
The invention provides a distributed photovoltaic power generation system with dual-mode power supply. The dual-mode power supply distributed photovoltaic power generation system comprises: the system comprises a local power supply for supplying power, a diesel generator and a solar photovoltaic module, and a storage battery pack for storing power; the local power supply and the diesel generator are connected with different rectifier inverters UPS through buses, and the storage battery pack is electrically connected with the rectifier inverters UPS; and the output end of the solar photovoltaic module is electrically connected with the photoelectric complementary controller. The distributed photovoltaic power generation system with the dual-mode power supply, provided by the invention, makes up the defects of grid-connected and off-grid power generation modes by adopting a photoelectric complementary mode, achieves the purposes that the distributed photovoltaic supplies power for UPS important loads during normal illumination and other commercial power supplies power during insufficient illumination, not only utilizes photovoltaic power generation, but also fully plays the function positioning of the distributed photovoltaic system as an emergency standby power supply for important loads of a centralized control center.
Description
Technical Field
The invention relates to the technical field of photovoltaic power generation, in particular to a distributed photovoltaic power generation system with dual-mode power supply.
Background
The photovoltaic power generation is a technology for directly converting light energy into electric energy by utilizing a photovoltaic effect of a semiconductor interface, mainly comprises three parts, namely a solar panel (assembly), a controller and an inverter, and mainly comprises electronic components.
The photovoltaic power generation is connected to the power grid for power supply, so that the power supply pressure of the power grid can be effectively relieved, the requirement of thermal power generation is reduced, and the photovoltaic power generation system is more green and energy-saving.
In the prior art, photovoltaic power generation has different power generation modes of a grid-connected power generation mode and a grid-connected power generation mode, when grid-connected power generation is adopted, the system is configured with anti-islanding protection, only other power supplies can be operated in a grid-connected mode, and the system cannot be operated independently.
Therefore, it is necessary to provide a dual-mode power supply distributed photovoltaic power generation system to solve the above technical problems.
Disclosure of Invention
The invention provides a distributed photovoltaic power generation system with dual-mode power supply, which overcomes the defects of the grid-connected and off-grid power generation modes through a photoelectric complementary mode, not only utilizes photovoltaic power generation, but also fully plays the function positioning of the distributed photovoltaic system as an important load emergency standby power supply of a centralized control center.
In order to solve the above technical problem, the distributed photovoltaic power generation system with dual-mode power supply provided by the present invention includes: the system comprises a local power supply for supplying power, a diesel generator and a solar photovoltaic module, and a storage battery pack for storing power;
the local power supply and the diesel generator are connected with different rectifier inverters UPS through buses, and the storage battery pack is electrically connected with the rectifier inverters UPS;
the output end electric connection block of solar PV modules has the complementary controller of photoelectricity, rectifier inverter UPS's output electric connection has dual supply change over switch, the complementary controller of photoelectricity with dual supply change over switch electric connection.
Preferably, the local power supply is powered by a 10KV power supply line, so that the diesel generator is used for standby power supply.
Preferably, the battery pack includes two 150AH lead acid maintenance free batteries disposed in a battery compartment.
Preferably, the storage battery pack is used for supplying power to the rectifier inverter UPS when no light is emitted, and the dual-power-supply changeover switch is used for switching between the rectifier inverter UPS and the solar photovoltaic module.
Preferably, the solar photovoltaic module, the photoelectric complementary controller and the connection point of the dual-power-supply changeover switch are all arranged on an electrical connection point and are arranged in a computer room of a centralized control center, so that centralized control and management are facilitated.
Preferably, the output of the rectifier inverter UPS is 20kVA/14kW, and the rated power of the complementary photovoltaic controller is 10 kW.
Preferably, the power supply further comprises a first load and a second load for power consumption, the first load is electrically connected with the rectifier inverter UPS, and the second load is electrically connected with the dual power transfer switch.
Preferably, still including the solar panel that is used for solar PV modules and for the supporting component of solar panel power supply, supporting component is including the prefabricated cement base that adopts concrete placement, fixedly connected with bracing piece on the prefabricated cement base, the top welded fastening of bracing piece is connected with the supporting plate, fixedly connected with assists the balance plate on the supporting plate, the supporting plate with the top of assisting the balance plate all with solar panel fixed connection.
Preferably, a stress absorption filling layer is arranged inside the precast cement base, and the stress absorption filling layer is sand-type dense-graded asphalt mixture.
Preferably, one side fixed connection connecting rod of bracing piece, the one end fixedly connected with of connecting rod is used for supplementary layer board, supplementary layer board with solar panel fixed connection.
Compared with the related art, the distributed photovoltaic power generation system with dual-mode power supply provided by the invention has the following beneficial effects:
the invention provides a distributed photovoltaic power generation system with dual-mode power supply, which overcomes the defects of grid-connected and off-grid power generation modes by adopting a photoelectric complementary mode, achieves the purposes that distributed photovoltaic supplies power for UPS important loads when normal illumination is performed, and other commercial power supplies power when the illumination is insufficient, not only utilizes photovoltaic power generation, but also fully plays the function positioning of the distributed photovoltaic system as an emergency standby power supply for important loads of a centralized control center.
Drawings
FIG. 1 is a schematic diagram of a grid-connected power generation mode system in the prior art;
FIG. 2 is a schematic diagram of a system architecture for an off-grid power generation mode in the prior art;
FIG. 3 is a schematic structural diagram of a first embodiment of a dual-mode power supply distributed photovoltaic power generation system provided by the present invention;
FIG. 4 is a schematic structural diagram of a second embodiment of the dual-mode power supply distributed photovoltaic power generation system provided by the present invention;
FIG. 5 is a schematic structural view of a bottom portion of the solar panel of FIG. 4;
figure 6 is a side view of the solar panel shown in figure 4.
Reference numbers in the figures:
1. the solar photovoltaic module comprises a local power supply, 2, a diesel generator, 3, a solar photovoltaic module, 4, a storage battery pack, 5, a rectifier inverter UPS, 6, a photoelectric complementary controller, 7, a dual-power transfer switch, 8, a first load, 9, a second load, 10, a solar panel, 11, a supporting module, 111, a prefabricated cement base, 112, a supporting rod, 113, a supporting plate, 114, an auxiliary balancing plate, 12, a stress absorption filling layer, 13, a connecting rod, 14 and an auxiliary supporting plate.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
First embodiment
Please refer to fig. 1, fig. 2, and fig. 3, wherein fig. 1 is a schematic diagram of a system structure of a grid-connected power generation mode in the prior art; FIG. 2 is a schematic diagram of a system architecture for an off-grid power generation mode in the prior art; fig. 3 is a schematic structural diagram of a first embodiment of the dual-mode power supply distributed photovoltaic power generation system provided by the invention. A dual-mode powered distributed photovoltaic power generation system includes: a local power supply 1 for power supply, a diesel generator 2, a solar photovoltaic module 3 and a storage battery pack 4 for power storage;
the local power supply 1 and the diesel generator 2 are connected with different rectifier inverters UPS5 through buses, and the storage battery pack 4 is electrically connected with the rectifier inverter UPS 5;
the output end electric connection block of solar PV modules 3 has photoelectric complementary controller 6, rectifier inverter UPS 5's output end electric connection has dual supply change over switch 7, photoelectric complementary controller 6 with dual supply change over switch 7 electric connection.
The project test site is located in the Christ ancient town of Qiang nationality of Kangshui of Akaban province, Sichuan province, the average sunshine hours of nearly 30 years in each county is between 1450h and 2440h according to meteorological station observation data in the Arabian region, the overall change trend of the sunshine hours in 1983 to 2012 is stable through data analysis of each county over the years, the annual total radiation amount of the Kangshui county is about 5000MJ/m2, and the roof size of the centralized control center is 27 meters long and 15 meters wide.
The electric energy generated by the built distributed photovoltaic power generation system is completely consumed by the UPS load of the centralized control center.
The local power supply 1 adopts a 10KV power supply line for power supply, so the diesel generator 2 is used for standby power supply.
The local power source 1 is directly derived from the power plant of the area.
The battery pack 4 includes two 150AH lead acid maintenance free batteries disposed in a battery compartment.
The storage battery pack 4 is used for supplying power to the rectifier inverter UPS5 when no light is emitted, and the dual-power-supply changeover switch 7 is used for switching the rectifier inverter UPS5 and the solar photovoltaic module 3.
The connecting points of the solar photovoltaic component 3, the photoelectric complementary controller 6 and the dual-power-supply changeover switch 7 are all arranged in an electrical connecting point and are arranged in a computer room of a centralized control center, so that centralized control and management are facilitated.
The electric connection point is arranged in a computer room of the centralized control center, the photoelectric complementary controller 6 is arranged beside the UPS equipment, the dual-power-supply change-over switch 7 is arranged in the newly-added distribution box, direct current generated by the photovoltaic power generation system is converged into the photoelectric complementary controller 6 through a separately laid direct current cable, and after the photoelectric complementary controller 6 converges light and a UPS power supply, single-phase power frequency alternating current is output and is connected into a UPS load bus of the centralized control center.
The output of the rectifier inverter UPS5 is 20kVA/14kW, and the rated power of the photoelectric complementary controller 6 is 10 kW.
The power supply system further comprises a first load 8 and a second load 9 for power consumption, wherein the first load 8 is electrically connected with the rectifier inverter UPS5, and the second load 9 is electrically connected with the dual power supply changeover switch 7.
The first load 8 and the second load 9 serve as consumption areas of electric energy supplied from the local power source 1 for electric power supply, the diesel generator 2 and the solar photovoltaic module 3, and the storage battery pack 4 for electric power storage, including loads generated by factory electricity, residential electricity, municipal electricity, and the like.
The working principle of the dual-mode power supply distributed photovoltaic power generation system provided by the invention is as follows:
referring to fig. 1, fig. 1 is a schematic diagram of a system structure in a grid-connected power generation mode in the prior art;
in fig. 1, the photovoltaic grid-connected power generation system is composed of a solar photovoltaic module, a grid-connected inverter, a grid-connected cabinet, a power grid and the like, and belongs to a full-rate internet access mode, that is, the generated energy of the photovoltaic power generation system is completely consumed by camp loads. When the grid is connected with 10kV station power, the station power loss rate of the Yadu power station can be effectively reduced; when the power grid is connected with a local power grid, outsourcing electric quantity can be effectively reduced (according to policies); when the emergency standby power supply is connected with a diesel generator power supply in a grid-connected mode, the use amount of diesel can be effectively reduced, in the grid-connected mode, the system is provided with anti-islanding protection, only other power supplies can be connected in a grid to operate, and the loads such as a centralized control center (including UPS device loads), offices, kitchens, accommodation buildings and the like can be supplied with power together, namely the loads can not be effectively distinguished, and the mode is flexible in grid-connected point, but can not play the function of an emergency standby power supply for important loads of the centralized control center due to the fact that independent power supply operation can not be achieved.
Referring to fig. 2, fig. 2 is a schematic diagram of a system structure of an off-grid power generation mode in the prior art;
in fig. 2, the off-grid photovoltaic power generation system is composed of a solar photovoltaic module, an off-grid inverter all-in-one machine, a storage battery pack and the like, and an electrical connection point is arranged at a distribution box of a storage battery room in a centralized control center, wherein the storage battery pack can utilize the existing storage battery pack in the centralized control center to supply power to a load through distributed photovoltaic power generation and charge the storage battery at the same time under the condition of illumination; when no light is emitted, the storage battery supplies power to the alternating current load through the inverter, when the distributed photovoltaic system fails or discharges to a certain depth, the distributed photovoltaic system is automatically switched to other commercial power supplies (photoelectric automatic switching logic: storage battery pack feedback voltage), because the power generation amount of the distributed photovoltaic system is less during the period from 16 pm to 10 am, the storage battery pack needs to discharge at a certain depth every day to be switched to 10kV power supply in the mode, the requirements on the capacity and the performance of the storage battery pack are high, and the service life of the storage battery pack is seriously influenced.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a first embodiment of a dual-mode power supply distributed photovoltaic power generation system provided by the present invention;
in fig. 3, the photovoltaic complementary mode is composed of a solar photovoltaic module 3, a photovoltaic complementary controller 6, a dual power supply change-over switch 7 and the like, an electrical connection point is arranged in a central computer room, and power is supplied to a first load 8 through a distributed photovoltaic power generation system under the condition of sufficient illumination; when the illumination is insufficient, the distributed photovoltaic and the local power supply 1 jointly supply power to the second load 9; in the absence of illumination, the UPS supplies power (photoelectric automatic switching logic: detecting the voltage of the distributed photovoltaic module); when the photoelectric complementary controller fails, the UPS supplies power through the dual power supply changeover switch 7.
Compared with the related art, the distributed photovoltaic power generation system with dual-mode power supply provided by the invention has the following beneficial effects:
the defects of grid-connected and off-grid power generation modes are made up by adopting a photoelectric complementary mode, the purposes that the distributed photovoltaic supplies power for UPS important loads under normal illumination and other commercial power supplies power under insufficient illumination are achieved, photovoltaic power generation is utilized, and the function positioning of the distributed photovoltaic system as a central control center important load emergency standby power supply is fully exerted.
Second embodiment
Referring to fig. 4-6, based on the distributed photovoltaic power generation system based on dual-mode power supply provided in the first embodiment of the present application, a second embodiment of the present application provides another distributed photovoltaic power generation system based on dual-mode power supply. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the difference between the distributed photovoltaic power generation system based on dual-mode power supply provided by the second embodiment of the present application is that the distributed photovoltaic power generation system based on dual-mode power supply further includes:
still including the solar panel 10 that is used for solar PV modules and do the supporting component 11 of solar panel 10 power supply, supporting component 11 is including the prefabricated cement base 111 that adopts concrete placement, fixedly connected with bracing piece 112 on the prefabricated cement base 111, the top welded fastening of bracing piece 112 is connected with supporting plate 113, supporting plate 113 is last fixedly connected with auxiliary balance plate 114, supporting plate 113 with auxiliary balance plate 114's top all with solar panel 10 fixed connection.
The prefabricated cement base 111 is internally provided with a stress absorption filling layer 12, and the stress absorption filling layer 12 is a sand type dense-graded asphalt mixture.
Through the stress absorption filling layer filled in the prefabricated cement base 111, the prefabricated cement base 111 can be prevented from generating cracks, and the service life of the prefabricated cement base 111 is prolonged.
One side fixed connection connecting rod 13 of bracing piece 112, the one end fixed connection of connecting rod 13 is used for supplementary layer board 14, supplementary layer board 14 with solar panel 10 fixed connection.
Compared with the related art, the distributed photovoltaic power generation system with dual-mode power supply provided by the invention has the following beneficial effects:
the prefabricated cement base 111 through concrete placement is as the support piece of bottommost for support assembly 11's fixed need not to adopt expansion bolts to fix on the roof, ensures the waterproof performance on roof, and bracing piece 112 provides the support for solar panel 10 through the support layer board 113 and the supplementary balance plate 114 at top jointly, promotes and the area of contact of solar panel 10 bottom, and supplementary layer board 14 can hold the lowest of solar panel 10 in solar panel 10 tilt state, effectively ensures solar panel 10's stability and equilibrium.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A dual-mode powered distributed photovoltaic power generation system, comprising:
the system comprises a local power supply for supplying power, a diesel generator and a solar photovoltaic module, and a storage battery pack for storing power;
the local power supply and the diesel generator are connected with different rectifier inverters UPS through buses, and the storage battery pack is electrically connected with the rectifier inverters UPS;
the output end electric connection block of solar PV modules has the complementary controller of photoelectricity, rectifier inverter UPS's output electric connection has dual supply change over switch, the complementary controller of photoelectricity with dual supply change over switch electric connection.
2. The dual mode powered distributed photovoltaic power generation system of claim 1, wherein the local power source is powered by 10KV supply lines so the diesel generator is a backup power supply.
3. A dual mode powered distributed photovoltaic power generation system as described in claim 2 wherein said battery pack comprises two 150AH lead acid maintenance free batteries disposed in a battery compartment.
4. A dual-mode power supply distributed photovoltaic power generation system according to claim 3, wherein the storage battery is used for supplying power to the rectifier inverter UPS in the absence of illumination, and the dual-power-supply changeover switch is used for switching use of the rectifier inverter UPS and the solar photovoltaic module 3.
5. The dual-mode power supply distributed photovoltaic power generation system of claim 1, wherein the connection points of the solar photovoltaic module, the photovoltaic complementary controller and the dual-power-supply changeover switch are all arranged at an electrical connection point arranged in a centralized control center computer room so as to facilitate centralized control and management.
6. The dual mode powered distributed photovoltaic power generation system of claim 5, wherein the rectified inverter UPS5 has an output of 20kVA/14kW and the photo-voltaic complementary controller 6 is rated at 10 kW.
7. The dual-mode powered distributed photovoltaic power generation system of claim 1, further comprising a first load and a second load for power consumption, the first load being electrically connected to the rectifier inverter UPS and the second load being electrically connected to the dual-power transfer switch.
8. The dual-mode power supply distributed photovoltaic power generation system according to claim 1, further comprising a solar panel for a solar photovoltaic module and a support module for supplying power to the solar panel, wherein the support module comprises a prefabricated cement base poured by concrete, a support rod is fixedly connected to the prefabricated cement base, a support supporting plate is fixedly connected to the top of the support rod in a welding mode, an auxiliary balance plate is fixedly connected to the support supporting plate, and the tops of the support supporting plate and the auxiliary balance plate are fixedly connected to the solar panel.
9. A dual mode powered distributed photovoltaic power generation system as claimed in claim 8, wherein the prefabricated cement base is internally provided with a stress absorbing infill layer of sand-type dense graded asphalt mix.
10. The dual-mode powered distributed photovoltaic power generation system of claim 9, wherein a connecting rod is fixedly connected to one side of the support rod, one end of the connecting rod is fixedly connected to an auxiliary support plate, and the auxiliary support plate is fixedly connected to the solar panel.
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| CN202111586456.7A CN114268130A (en) | 2021-12-23 | 2021-12-23 | A distributed photovoltaic power generation system with dual-mode power supply |
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| CN202111586456.7A CN114268130A (en) | 2021-12-23 | 2021-12-23 | A distributed photovoltaic power generation system with dual-mode power supply |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102694393A (en) * | 2012-06-13 | 2012-09-26 | 顺德中山大学太阳能研究院 | Controller for switching grid connection photovoltaic power generation system and off-grid photovoltaic power generation system |
| CN103929115A (en) * | 2014-04-22 | 2014-07-16 | 武汉理工大学 | On-grid and off-grid dual-mode marine solar power generation system |
| JP2016116379A (en) * | 2014-12-16 | 2016-06-23 | 西日本高速道路株式会社 | Power system |
| CN205791774U (en) * | 2016-05-16 | 2016-12-07 | 广州市漫联电子科技有限公司 | High efficiency uninterrupted power supply(ups) |
| CN110661332A (en) * | 2018-06-29 | 2020-01-07 | 深圳中瀚云科技股份有限公司 | Power supply system for computing equipment |
| CN212785225U (en) * | 2020-09-30 | 2021-03-23 | 浙江正泰新能源开发有限公司 | Auxiliary mounting and supporting device for solar photovoltaic cell panel |
-
2021
- 2021-12-23 CN CN202111586456.7A patent/CN114268130A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102694393A (en) * | 2012-06-13 | 2012-09-26 | 顺德中山大学太阳能研究院 | Controller for switching grid connection photovoltaic power generation system and off-grid photovoltaic power generation system |
| CN103929115A (en) * | 2014-04-22 | 2014-07-16 | 武汉理工大学 | On-grid and off-grid dual-mode marine solar power generation system |
| JP2016116379A (en) * | 2014-12-16 | 2016-06-23 | 西日本高速道路株式会社 | Power system |
| CN205791774U (en) * | 2016-05-16 | 2016-12-07 | 广州市漫联电子科技有限公司 | High efficiency uninterrupted power supply(ups) |
| CN110661332A (en) * | 2018-06-29 | 2020-01-07 | 深圳中瀚云科技股份有限公司 | Power supply system for computing equipment |
| CN212785225U (en) * | 2020-09-30 | 2021-03-23 | 浙江正泰新能源开发有限公司 | Auxiliary mounting and supporting device for solar photovoltaic cell panel |
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